Solve the Formula for the Indicated Variable $\mathrm { R } = \mathrm { nE } - \mathrm { nr }$

question 361

Multiple Choice

Solve the formula for the indicated variable.
- $\mathrm { R } = \mathrm { nE } - \mathrm { nr }$ , for $\mathrm { n }$

• A) \(n = \frac { R } { E - r }\)
• B) \(n = R - E + r\)
• C) \(n = R + n r - E\)
• D) \(n = \frac { R + n r } { E }\)

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